I have one more question: when I run cargo build-sbf, it reports a get random error; could you tell me how to fix it?
$ cargo build-sbf
Compiling getrandom v0.2.7
error: target is not supported, for more information see: https://docs.rs/getrandom/#unsupported-targets
--> src/lib.rs:240:9
|
240 | / compile_error!("target is not supported, for more information see: \
| | https://docs.rs/getrandom/#unsupported-targets");
| |_______________________________________________________________^
error[E0433]: failed to resolve: use of undeclared crate or module `imp`
--> src/lib.rs:262:5
|
262 | imp::getrandom_inner(dest)
| ^^^ use of undeclared crate or module `imp`
For more information about this error, try `rustc --explain 0433`.
error: could not compile getrandom due to 2 previous errors
warning: build failed, waiting for other jobs to finish...
error: build failed